*html,body{
	margin: 0;padding: 0;
	width: 100%;
	height: 100%;
 
}
#con{
position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: url("../img/18.jpg") repeat center;
}
#conk{
position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: url("../img/7.jpg") repeat center;
}
#main{
width: 90%;margin: 2% auto;
}